County · code 40011
Blaine CountyOklahoma
Blaine County is a county in Oklahoma, with its seat at Watonga, formed in 1892.
- Founded1892
- County seatWatonga
- Named forJames G. Blaine
- Land area928 sq mi + 10 sq mi water
- Population8,735 2020 Census
Where it is
Blaine on the map of Oklahoma
Oklahoma has 77 counties and county equivalents, each with its own records office. Shapes with a page are links.
History
Founded in 1892
An old deed may name a county that no longer exists, or a boundary that has since moved.
Blaine County was formed in 1892, and named after James G. Blaine. Watonga is the county seat.
- 1891Blaine County created County C, which became Blaine, was created from non-county area in Oklahoma Territory and a small area of Kingfisher by proclamation of the U. S. Asst. Secretary of the Interior.from Kingfisherfrom U. S.· "Will Open," Weekly Oklahoma State Capital [newspaper], 25 July 1891; Morris, 119-120; Morris, Goins, and McReynolds, map 54
- 1901Gained territory Blaine gained part of County I (Okla. Terr., extinct; the Wichita Indian Reservation); County I eliminated.from County I· "President's Proclamation, The Boundary Lines," The Daily Oklahoman [newspaper], 9 July 1901; Morris, 124
- 1907Lost territory Blaine lost small area to Caddo; Blaine became a county in the state of Oklahoma. · Okla. Constitution [1907], art. 17, sec. 8; Swindler, 8:142
Land and parcels
What the maps cover in Blaine
Who publishes each layer, how good it is, and when we last checked.
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Parcels Missing
No public parcel map found for Blaine County yet. Lot lines and owners of record are kept by the assessor's office.
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Address points Missing
No public address points layer found for Blaine County yet.
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Buildings Reference
Roof outlines traced from aerial imagery from FEMA Response Geospatial Office with Oak Ridge National Laboratory (ORNL). Good for seeing what is on a lot; not accurate enough to set a fence from.
checked 18 October 2026
- Official
- from the office that keeps the record
- Good enough
- a reliable statewide or national copy
- Fallback
- a guide only; check the official record
- Missing
- nothing public found yet
People and land
Blaine by the Census
Source: US Census Bureau, 2020 Census; US Census Bureau, 2020 Gazetteer Files. Not endorsed or certified by the Census Bureau.
Rules and offices
Who to ask before you build, dig or sell
Official county pages only. We link to them; we do not copy them, because they change.
County government
- County government
The official website of Blaine County.
See your own lot on these maps
Open Blaine County on Parcel Chart's free map and click your parcel. Save it with a free account; the full record of your place (site map, projects, documents) is Pro, in early access.
Questions
Common questions about Blaine County
- When was Blaine County founded?
- Blaine County was founded in 1892, and named after James G. Blaine.
- What is the county seat of Blaine County?
- The county seat of Blaine County is Watonga.
- Is there an online parcel map for Blaine County?
- Not that we have found yet. Lot lines and owners of record are kept by the assessor's office. When a public parcel map appears, it shows here.
- Has Blaine County's boundary or name changed?
- Blaine County was created in 1891. Since then the Atlas of Historical County Boundaries records 2 later changes, chiefly involving Caddo County and County I.
- Is my lot in a flood zone?
- We do not have flood maps for Blaine County yet. Look up the address on FEMA's Flood Map Service Center, which shows the effective flood map for any lot.
Nearby